CVE-2023-6862
CVSS 3.1 Score 8.8 of 10 (high)
Details
Published Dec 19, 2023
Updated: Feb 2, 2024
CWE ID 416
Summary
CVE-2023-6862 is a use-after-free vulnerability discovered in the `nsDNSService::Init` component of Firefox ESR versions below 115.6 and Thunderbird versions below 115.6. This issue can cause memory to be accessed after it has been freed, leading to potential code execution or crash. The vulnerability reportedly manifests infrequently during the application start-up process. Users are advised to update their browsers and email clients to mitigate this risk.
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